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淩亂°似流年 2024-02-17 18:27 5阅读 0赞

![Center][]效果图不是太明显 实际上有finish动画

代码

package com.finddreams.slidingback.ui;
    
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.GestureDetector;
    import android.view.GestureDetector.OnGestureListener;
    import android.view.MotionEvent;
    /**
     * 手势滑动的Activity，只需要继承就可实现手势滑动
     * Title: GestureBackActivity.java
     * @author Angus
     * 2016年11月16日
     * @version 2.0
     */
    public class GestureBackActivity extends Activity {
    	private GestureDetector myDectector;
    	private static final String TAG = "GestureBackActivity";
    	boolean flingFinishEnabled = true;
    
    	@Override
    	protected void onCreate(Bundle savedInstanceState) {
    
    		super.onCreate(savedInstanceState);
    		initGestureDetector();
    		AppManager.getAppManager().addActivity(this);
    	}
    
    	private void initGestureDetector() {
    		if (myDectector == null) {
    			myDectector = new GestureDetector(this, new MyGestureListener());
    		}
    
    	}
    
    	@Override
    	public boolean dispatchTouchEvent(MotionEvent ev) {
    
    		if (flingFinishEnabled) {
    			return myDectector.onTouchEvent(ev) || super.dispatchTouchEvent(ev);
    		}
    		return super.dispatchTouchEvent(ev);
    	}
    
    	/**
    	 * 手势监听器
    	 * 
    	 */
    	public class MyGestureListener implements OnGestureListener {
    
    		@Override
    		public boolean onDown(MotionEvent e) {
    			// Toast.makeText(getApplicationContext(),"down",Toast.LENGTH_SHORT).show();
    			return true;
    		}
    
    		@Override
    		public void onShowPress(MotionEvent e) {
    			// TODO Auto-generated method stub
    
    		}
    
    		@Override
    		public boolean onSingleTapUp(MotionEvent e) {
    			// Toast.makeText(getApplicationContext(),"onSingleTapUp",Toast.LENGTH_SHORT).show();
    			return true;
    		}
    
    		@Override
    		public boolean onScroll(MotionEvent e1, MotionEvent e2,
    				float distanceX, float distanceY) {
    			// TODO Auto-generated method stub
    			return false;
    		}
    
    		@Override
    		public void onLongPress(MotionEvent e) {
    			// TODO Auto-generated method stub
    
    		}
    
    		@Override
    		public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
    				float velocityY) {
    			if (e1.getX() - e2.getX() > 100 && Math.abs(velocityX) > 0) {
    				Log.d(TAG, "向左滑动");
    			} else if (e2.getX() - e1.getX() > 100 && Math.abs(velocityX) > 0) {
    				Log.d(TAG, "向右滑动");
    				AppManager.getAppManager().finishActivity();
    			}
    			return false;
    		}
    
    	}
    }

[demo 下载][demo]

[Center]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/7c6514535a1d4fab8d4d5fec7665c4cf.png
[demo]: http://download.csdn.net/detail/onceing/9686477